Grade 4-B contents & samples - Math Mammoth
Grade 4-B contents & samples - Math Mammoth
Grade 4-B contents & samples - Math Mammoth
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7. a. Draw a triangle with<br />
85° and 40° angles.<br />
Hint: First draw a 85° angle.<br />
Then, mark a point anywhere on one<br />
side of that angle to be the second<br />
vertex of the triangle. Use that point<br />
as a vertex for the 40° angle, and<br />
draw the 40° angle.<br />
b. Measure the third angle.<br />
It is _______ degrees.<br />
c. What kind of triangle is it?<br />
(acute, right, obtuse)<br />
d. What is the angle sum?<br />
8. a. Draw a triangle with<br />
125° and 40° angles.<br />
b. Measure the third angle.<br />
It is _______ degrees.<br />
c. What kind of triangle is it?<br />
(acute, right, obtuse)<br />
d. What is the angle sum?<br />
9. a. Draw a triangle with<br />
55° and 35° angles.<br />
b. Measure the third angle.<br />
It is _______ degrees.<br />
c. What kind of triangle is it?<br />
(acute, right, obtuse)<br />
d. What is the angle sum?<br />
Sample worksheet from<br />
www.mathmammoth.com<br />
an acute triangle<br />
a right triangle<br />
New Terms<br />
121<br />
an obtuse triangle<br />
a diagonal
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